Prerequisites of coal formation
Abstract
The problem of the preconditions of coal formation needs periodic revision because of the continuous progress in the various fields of geological science and the critical testing of many of its positions on the basis of a dialectical outlook and historical comparison. Many things in coal geology that were constant and fixed in the provisions of Western European manuals and seemed immutable and that were derived from the study of Middle Carboniferous coal in practice turned out to be incomplete, one-sided and wrong in the application to coal accumulation of younger coal-bearing epochs.When considering the whole variety of coal basins of different ages, it is striking, first of all, the variability of conditions favorable to coal accumulation from period to period. The idea of some standard optimal conditions and necessary prerequisites of coal formation should be discarded and replaced by the idea of irreversible development of these prerequisites in time and space.
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